/Engine/Plugins/Animation/LiveLink/Source/LiveLink/Public/LiveLinkMessageBusSource.h
Setting class to display and used by the Source. An instance of that class will be constructed when the source is added to the Client. Then InitializeSettings will be called.
virtual [TSubclassOf](API\Runtime\CoreUObject\Templates\TSubclassOf)< [ULiveLinkSourceSettings](API\Runtime\LiveLinkInterface\ULiveLinkSourceSettings) > GetSettingsClass() const